San Ygnacio, Texas Demographics & Population 2026
During the 2020–2024 ACS period, San Ygnacio, Texas had a total population of 416, the 1333rd largest community in Texas. The poverty rate is 20.0%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Only 4.0% of adults have a bachelor's degree, well below the national average of 35.7%.
San Ygnacio Quick Facts
How San Ygnacio Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 495 | 416 | -16.0% |
| Median home value | $83,700 | $80,500 | -3.8% |
How San Ygnacio Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 67 | National average: 61
Education
Educational Attainment (Adults 25+)
San Ygnacio Rankings in Texas
Explore Texas Rankings
Other Cities in Zapata County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Zapata | 4,897 | $45,488 | 32.5% | $124,900 |
| Medina | 4,226 | $21,506 | 53.8% | $65,000 |
| Siesta Shores | 1,640 | $35,352 | 48.8% | $66,400 |
| Falcon Lake Estates | 1,075 | $65,909 | 33.0% | $142,300 |
| Falcon Mesa | 426 | $62,589 | 9.9% | $154,200 |
| Lopeño | 89 | N/A | 16.9% | N/A |
| Las Palmas | 47 | N/A | 21.3% | N/A |
Cities Similar to San Ygnacio
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Petrolia | 416 | $63,750 | $95,600 | 10.9% | 13.5% |
| Blessing | 418 | $51,313 | $138,100 | 0.0% | 0.0% |
| Oglesby | 418 | $47,750 | $110,600 | 11.3% | 16.1% |
| Tira | 418 | $76,071 | $129,600 | 24.5% | 9.1% |
| Rock Island | 414 | $43,149 | $122,800 | 10.4% | 8.9% |
A note before these figures: with a population of 416, San Ygnacio's ACS estimates come from a small number of survey responses and carry wide margins of error. Individual percentages below — particularly rates that round to 0% or 100% — are approximations, not precise measurements. See data.census.gov for the published margins of error.
Population Overview
San Ygnacio is a small community located in Texas, within Zapata County. The total population is 416. It ranks as the 1333rd most populous out of 1,795 Census-designated places in Texas.
Age Demographics
The median age in San Ygnacio is 42.8 years. This is 20% higher than the state median of 35.6 years. 19.0% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.
Economy, Income & Housing
The poverty rate stands at 20.0%. This is 45% higher than the state poverty rate of 13.8%. The survey records no unemployed residents in San Ygnacio, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $80,500. Housing costs are 72% lower than the state median of $283,800. 89.3% of occupied housing units are owner-occupied. This homeownership rate is 43% higher than the state average of 62.6%.
Race & Ethnicity
Every resident counted in San Ygnacio was recorded as Hispanic or Latino. A figure of exactly 100.0% reflects a survey sample too small to capture the community's full composition rather than a precise measurement.
Education
4.0% of residents aged 25 and older hold a bachelor's degree or higher. This is 88% lower than the state rate of 33.8%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 69.7%.
Data Sources & Methodology
All demographic data for San Ygnacio, Texas is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Texas state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,795 Census-designated places in Texas. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of San Ygnacio, Texas?
San Ygnacio, Texas has a population of 416 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in San Ygnacio, TX?
The Census Bureau does not publish a reliable median household income estimate for San Ygnacio — the community is too small for the ACS sample. The national median is $80,734.
What is the poverty rate in San Ygnacio, TX?
The poverty rate in San Ygnacio is 20.0%. This means approximately 83 residents live below the federal poverty line.
What is the racial makeup of San Ygnacio, Texas?
San Ygnacio's population is 0.0% White, 0.0% Black, 100.0% Hispanic/Latino, and 0.0% Asian.
What is the median home value in San Ygnacio, TX?
The median home value in San Ygnacio is $80,500.
How educated is San Ygnacio, Texas?
4.0% of adults (25+) in San Ygnacio hold a bachelor's degree or higher, and 0.0% hold a graduate or professional degree.